From: Fabien Potencier <fabien.potencier@gmail.com>
Date: Sat, 5 Jul 2014 11:16:15 +0000 (+0200)
Subject: fixed potential exception
X-Git-Url: http://git.silmor.de/gitweb/?a=commitdiff_plain;h=23efa7b1c2e926ccdc89e5848000c4accd0c3106;p=web%2Fkonrad%2Ftwig.git

fixed potential exception
---

diff --git a/lib/Twig/Node/Expression/Call.php b/lib/Twig/Node/Expression/Call.php
index d019696..912b837 100644
--- a/lib/Twig/Node/Expression/Call.php
+++ b/lib/Twig/Node/Expression/Call.php
@@ -12,10 +12,8 @@ abstract class Twig_Node_Expression_Call extends Twig_Node_Expression
 {
     protected function compileCallable(Twig_Compiler $compiler)
     {
-        $callable = $this->getAttribute('callable');
-
         $closingParenthesis = false;
-        if ($callable) {
+        if ($this->hasAttribute('callable') && $callable = $this->getAttribute('callable')) {
             if (is_string($callable)) {
                 $compiler->raw($callable);
             } elseif (is_array($callable) && $callable[0] instanceof Twig_ExtensionInterface) {